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Computation integrity assurance for emerging distributed computation outsourcing environments, the case of block withholding attack on Bitcoin pools

机译:用于新兴分布式计算外包环境的计算完整性保证,块扣除比特币池的块

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摘要

Recently emerged distributed computation outsourcing environments (e.g. volunteer computing, crowdsourcing, cloud computing, and pooled mining in cryptocurrencies) provide many new opportunities and challenges. One important new challenge in these environments is assuring the correctness and validity of the computation output when computation nodes have motivation for lazy, malicious, or hoarding behaviour. In this study, the authors provide a definition for this new challenge, which they refer to as'computation integrity assurance', and classify different types of computations in which this new challenge is important. Then, they discuss the'Block Withholding'attack in cryptocurrency mining pools as a case study. In this example, they demonstrate how the authors' proposed classification can help in solving challenges of this context.
机译:最近出现的分布式计算外包环境(例如志愿者计算,众包,云计算和汇集在加密货币中采矿)提供了许多新的机遇和挑战。这些环境中的一个重要新挑战是在计算节点具有懒惰,恶意或囤积行为的动机时确保计算输出的正确性和有效性。在这项研究中,作者为这一新的挑战提供了一个定义,他们指的是“履行完整性保证”,并分类了不同类型的计算,其中这一新挑战很重要。然后,他们将CrypTocurrency挖掘池中的“Block扣留”讨论为案例研究。在这个例子中,他们展示了作者提出的分类如何有助于解决这种背景的挑战。

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